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ffmpeg.wasm-core
Commit 2829ce4b authored by Måns Rullgård's avatar Måns Rullgård
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Remove PPC perf counter support 

This functionality is better accessed through tools like oprofile.

Originally committed as revision 23808 to svn://svn.ffmpeg.org/ffmpeg/trunk
parent a788196e
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configure
View file @ 2829ce4b
......@@ -211,8 +211,6 @@ Advanced options (experts only):
--arch=ARCH select architecture [$arch]
--cpu=CPU select the minimum required CPU (affects
instruction selection, may crash on older CPUs)
--enable-powerpc-perf enable performance report on PPC
(requires enabling PMC)
--disable-asm disable all assembler optimizations
--disable-altivec disable AltiVec optimizations
--disable-amd3dnow disable 3DNow! optimizations
......@@ -886,7 +884,6 @@ CONFIG_LIST="
nonfree
pic
postproc
powerpc_perf
rdft
runtime_cpudetect
shared
......@@ -2772,7 +2769,6 @@ if enabled ppc; then
echo "AltiVec enabled ${altivec-no}"
echo "PPC 4xx optimizations ${ppc4xx-no}"
echo "dcbzl available ${dcbzl-no}"
echo "performance report ${powerpc_perf-no}"
fi
if enabled sparc; then
echo "VIS enabled ${vis-no}"
......
doc/ffmpeg_powerpc_performance_evaluation_howto.txt deleted 100644 → 0
View file @ a788196e
FFmpeg & evaluating performance on the PowerPC Architecture HOWTO
(c) 2003-2004 Romain Dolbeau <romain@dolbeau.org>
I - Introduction
The PowerPC architecture and its SIMD extension AltiVec offer some
interesting tools to evaluate performance and improve the code.
This document tries to explain how to use those tools with FFmpeg.
The architecture itself offers two ways to evaluate the performance of
a given piece of code:
1) The Time Base Registers (TBL)
2) The Performance Monitor Counter Registers (PMC)
The first ones are always available, always active, but they're not very
accurate: the registers increment by one every four *bus* cycles. On
my 667 Mhz tiBook (ppc7450), this means once every twenty *processor*
cycles. So we won't use that.
The PMC are much more useful: not only can they report cycle-accurate
timing, but they can also be used to monitor many other parameters,
such as the number of AltiVec stalls for every kind of instruction,
or instruction cache misses. The downside is that not all processors
support the PMC (all G3, all G4 and the 970 do support them), and
they're inactive by default - you need to activate them with a
dedicated tool. Also, the number of available PMC depends on the
procesor: the various 604 have 2, the various 75x (aka. G3) have 4,
and the various 74xx (aka G4) have 6.
*WARNING*: The PowerPC 970 is not very well documented, and its PMC
registers are 64 bits wide. To properly notify the code, you *must*
tune for the 970 (using --tune=970), or the code will assume 32 bit
registers.
II - Enabling FFmpeg PowerPC performance support
This needs to be done by hand. First, you need to configure FFmpeg as
usual, but add the "--powerpc-perf-enable" option. For instance:
#####
./configure --prefix=/usr/local/ffmpeg-svn --cc=gcc-3.3 --tune=7450 --powerpc-perf-enable
#####
This will configure FFmpeg to install inside /usr/local/ffmpeg-svn,
compiling with gcc-3.3 (you should try to use this one or a newer
gcc), and tuning for the PowerPC 7450 (i.e. the newer G4; as a rule of
thumb, those at 550Mhz and more). It will also enable the PMC.
You may also edit the file "config.h" to enable the following line:
#####
// #define ALTIVEC_USE_REFERENCE_C_CODE 1
#####
If you enable this line, then the code will not make use of AltiVec,
but will use the reference C code instead. This is useful to compare
performance between two versions of the code.
Also, the number of enabled PMC is defined in "libavcodec/ppc/dsputil_ppc.h":
#####
#define POWERPC_NUM_PMC_ENABLED 4
#####
If you have a G4 CPU, you can enable all 6 PMC. DO NOT enable more
PMC than available on your CPU!
Then, simply compile FFmpeg as usual (make && make install).
III - Using FFmpeg PowerPC performance support
This FFmeg can be used exactly as usual. But before exiting, FFmpeg
will dump a per-function report that looks like this:
#####
PowerPC performance report
Values are from the PMC registers, and represent whatever the
registers are set to record.
Function "gmc1_altivec" (pmc1):
min: 231
max: 1339867
avg: 558.25 (255302)
Function "gmc1_altivec" (pmc2):
min: 93
max: 2164
avg: 267.31 (255302)
Function "gmc1_altivec" (pmc3):
min: 72
max: 1987
avg: 276.20 (255302)
(...)
#####
In this example, PMC1 was set to record CPU cycles, PMC2 was set to
record AltiVec Permute Stall Cycles, and PMC3 was set to record AltiVec
Issue Stalls.
The function "gmc1_altivec" was monitored 255302 times, and the
minimum execution time was 231 processor cycles. The max and average
aren't much use, as it's very likely the OS interrupted execution for
reasons of its own :-(
With the exact same settings and source file, but using the reference C
code we get:
#####
PowerPC performance report
Values are from the PMC registers, and represent whatever the
registers are set to record.
Function "gmc1_altivec" (pmc1):
min: 592
max: 2532235
avg: 962.88 (255302)
Function "gmc1_altivec" (pmc2):
min: 0
max: 33
avg: 0.00 (255302)
Function "gmc1_altivec" (pmc3):
min: 0
max: 350
avg: 0.03 (255302)
(...)
#####
592 cycles, so the fastest AltiVec execution is about 2.5x faster than
the fastest C execution in this example. It's not perfect but it's not
bad (well I wrote this function so I can't say otherwise :-).
Once you have that kind of report, you can try to improve things by
finding what goes wrong and fixing it; in the example above, one
should try to diminish the number of AltiVec stalls, as this *may*
improve performance.
IV) Enabling the PMC in Mac OS X
This is easy. Use "Monster" and "monster". Those tools come from
Apple's CHUD package, and can be found hidden in the developer web
site & FTP site. "MONster" is the graphical application, use it to
generate a config file specifying what each register should
monitor. Then use the command-line application "monster" to use that
config file, and enjoy the results.
Note that "MONster" can be used for many other things, but it's
documented by Apple, it's not my subject.
If you are using CHUD 4.4.2 or later, you'll notice that MONster is
no longer available. It's been superseeded by Shark, where
configuration of PMCs is available as a plugin.
V) Enabling the PMC on Linux
On linux you may use oprofile from http://oprofile.sf.net, depending on the
version and the cpu you may need to apply a patch[1] to access a set of the
possibile counters from the userspace application. You can always define them
using the kernel interface /dev/oprofile/* .
[1] http://dev.gentoo.org/~lu_zero/development/oprofile-g4-20060423.patch
--
Romain Dolbeau <romain@dolbeau.org>
Luca Barbato <lu_zero@gentoo.org>
ffmpeg.c
View file @ 2829ce4b
......@@ -618,11 +618,6 @@ static int av_exit(int ret)
av_free(video_standard);
#if CONFIG_POWERPC_PERF
void powerpc_display_perf_report(void);
powerpc_display_perf_report();
#endif /* CONFIG_POWERPC_PERF */
for (i=0;i<AVMEDIA_TYPE_NB;i++)
av_free(avcodec_opts[i]);
av_free(avformat_opts);
......
libavcodec/ppc/dsputil_altivec.c
View file @ 2829ce4b
......@@ -25,7 +25,6 @@
#include <altivec.h>
#endif
#include "libavcodec/dsputil.h"
#include "dsputil_ppc.h"
#include "util_altivec.h"
#include "types_altivec.h"
#include "dsputil_altivec.h"
......@@ -610,7 +609,6 @@ static void add_bytes_altivec(uint8_t *dst, uint8_t *src, int w) {
/* next one assumes that ((line_size % 16) == 0) */
void put_pixels16_altivec(uint8_t *block, const uint8_t *pixels, int line_size, int h)
{
POWERPC_PERF_DECLARE(altivec_put_pixels16_num, 1);
register vector unsigned char pixelsv1, pixelsv2;
register vector unsigned char pixelsv1B, pixelsv2B;
register vector unsigned char pixelsv1C, pixelsv2C;
......@@ -622,7 +620,6 @@ POWERPC_PERF_DECLARE(altivec_put_pixels16_num, 1);
register int line_size_3 = line_size + line_size_2;
register int line_size_4 = line_size << 2;
POWERPC_PERF_START_COUNT(altivec_put_pixels16_num, 1);
// hand-unrolling the loop by 4 gains about 15%
// mininum execution time goes from 74 to 60 cycles
// it's faster than -funroll-loops, but using
......@@ -659,20 +656,16 @@ POWERPC_PERF_START_COUNT(altivec_put_pixels16_num, 1);
block +=line_size_4;
}
#endif
POWERPC_PERF_STOP_COUNT(altivec_put_pixels16_num, 1);
}
/* next one assumes that ((line_size % 16) == 0) */
#define op_avg(a,b) a = ( ((a)|(b)) - ((((a)^(b))&0xFEFEFEFEUL)>>1) )
void avg_pixels16_altivec(uint8_t *block, const uint8_t *pixels, int line_size, int h)
{
POWERPC_PERF_DECLARE(altivec_avg_pixels16_num, 1);
register vector unsigned char pixelsv1, pixelsv2, pixelsv, blockv;
register vector unsigned char perm = vec_lvsl(0, pixels);
int i;
POWERPC_PERF_START_COUNT(altivec_avg_pixels16_num, 1);
for (i = 0; i < h; i++) {
pixelsv1 = vec_ld( 0, pixels);
pixelsv2 = vec_ld(16,pixels);
......@@ -683,19 +676,14 @@ POWERPC_PERF_START_COUNT(altivec_avg_pixels16_num, 1);
pixels+=line_size;
block +=line_size;
}
POWERPC_PERF_STOP_COUNT(altivec_avg_pixels16_num, 1);
}
/* next one assumes that ((line_size % 8) == 0) */
static void avg_pixels8_altivec(uint8_t * block, const uint8_t * pixels, int line_size, int h)
{
POWERPC_PERF_DECLARE(altivec_avg_pixels8_num, 1);
register vector unsigned char pixelsv1, pixelsv2, pixelsv, blockv;
int i;
POWERPC_PERF_START_COUNT(altivec_avg_pixels8_num, 1);
for (i = 0; i < h; i++) {
/* block is 8 bytes-aligned, so we're either in the
left block (16 bytes-aligned) or in the right block (not) */
......@@ -719,14 +707,11 @@ POWERPC_PERF_START_COUNT(altivec_avg_pixels8_num, 1);
pixels += line_size;
block += line_size;
}
POWERPC_PERF_STOP_COUNT(altivec_avg_pixels8_num, 1);
}
/* next one assumes that ((line_size % 8) == 0) */
static void put_pixels8_xy2_altivec(uint8_t *block, const uint8_t *pixels, int line_size, int h)
{
POWERPC_PERF_DECLARE(altivec_put_pixels8_xy2_num, 1);
register int i;
register vector unsigned char pixelsv1, pixelsv2, pixelsavg;
register vector unsigned char blockv, temp1, temp2;
......@@ -748,7 +733,6 @@ POWERPC_PERF_DECLARE(altivec_put_pixels8_xy2_num, 1);
(vector unsigned short)pixelsv2);
pixelssum1 = vec_add(pixelssum1, vctwo);
POWERPC_PERF_START_COUNT(altivec_put_pixels8_xy2_num, 1);
for (i = 0; i < h ; i++) {
int rightside = ((unsigned long)block & 0x0000000F);
blockv = vec_ld(0, block);
......@@ -782,14 +766,11 @@ POWERPC_PERF_START_COUNT(altivec_put_pixels8_xy2_num, 1);
block += line_size;
pixels += line_size;
}
POWERPC_PERF_STOP_COUNT(altivec_put_pixels8_xy2_num, 1);
}
/* next one assumes that ((line_size % 8) == 0) */
static void put_no_rnd_pixels8_xy2_altivec(uint8_t *block, const uint8_t *pixels, int line_size, int h)
{
POWERPC_PERF_DECLARE(altivec_put_no_rnd_pixels8_xy2_num, 1);
register int i;
register vector unsigned char pixelsv1, pixelsv2, pixelsavg;
register vector unsigned char blockv, temp1, temp2;
......@@ -812,7 +793,6 @@ POWERPC_PERF_DECLARE(altivec_put_no_rnd_pixels8_xy2_num, 1);
(vector unsigned short)pixelsv2);
pixelssum1 = vec_add(pixelssum1, vcone);
POWERPC_PERF_START_COUNT(altivec_put_no_rnd_pixels8_xy2_num, 1);
for (i = 0; i < h ; i++) {
int rightside = ((unsigned long)block & 0x0000000F);
blockv = vec_ld(0, block);
......@@ -846,14 +826,11 @@ POWERPC_PERF_START_COUNT(altivec_put_no_rnd_pixels8_xy2_num, 1);
block += line_size;
pixels += line_size;
}
POWERPC_PERF_STOP_COUNT(altivec_put_no_rnd_pixels8_xy2_num, 1);
}
/* next one assumes that ((line_size % 16) == 0) */
static void put_pixels16_xy2_altivec(uint8_t * block, const uint8_t * pixels, int line_size, int h)
{
POWERPC_PERF_DECLARE(altivec_put_pixels16_xy2_num, 1);
register int i;
register vector unsigned char pixelsv1, pixelsv2, pixelsv3, pixelsv4;
register vector unsigned char blockv, temp1, temp2;
......@@ -862,8 +839,6 @@ POWERPC_PERF_DECLARE(altivec_put_pixels16_xy2_num, 1);
register const vector unsigned char vczero = (const vector unsigned char)vec_splat_u8(0);
register const vector unsigned short vctwo = (const vector unsigned short)vec_splat_u16(2);
POWERPC_PERF_START_COUNT(altivec_put_pixels16_xy2_num, 1);
temp1 = vec_ld(0, pixels);
temp2 = vec_ld(16, pixels);
pixelsv1 = vec_perm(temp1, temp2, vec_lvsl(0, pixels));
......@@ -919,14 +894,11 @@ POWERPC_PERF_START_COUNT(altivec_put_pixels16_xy2_num, 1);
block += line_size;
pixels += line_size;
}
POWERPC_PERF_STOP_COUNT(altivec_put_pixels16_xy2_num, 1);
}
/* next one assumes that ((line_size % 16) == 0) */
static void put_no_rnd_pixels16_xy2_altivec(uint8_t * block, const uint8_t * pixels, int line_size, int h)
{
POWERPC_PERF_DECLARE(altivec_put_no_rnd_pixels16_xy2_num, 1);
register int i;
register vector unsigned char pixelsv1, pixelsv2, pixelsv3, pixelsv4;
register vector unsigned char blockv, temp1, temp2;
......@@ -936,8 +908,6 @@ POWERPC_PERF_DECLARE(altivec_put_no_rnd_pixels16_xy2_num, 1);
register const vector unsigned short vcone = (const vector unsigned short)vec_splat_u16(1);
register const vector unsigned short vctwo = (const vector unsigned short)vec_splat_u16(2);
POWERPC_PERF_START_COUNT(altivec_put_no_rnd_pixels16_xy2_num, 1);
temp1 = vec_ld(0, pixels);
temp2 = vec_ld(16, pixels);
pixelsv1 = vec_perm(temp1, temp2, vec_lvsl(0, pixels));
......@@ -993,18 +963,14 @@ POWERPC_PERF_START_COUNT(altivec_put_no_rnd_pixels16_xy2_num, 1);
block += line_size;
pixels += line_size;
}
POWERPC_PERF_STOP_COUNT(altivec_put_no_rnd_pixels16_xy2_num, 1);
}
static int hadamard8_diff8x8_altivec(/*MpegEncContext*/ void *s, uint8_t *dst, uint8_t *src, int stride, int h){
POWERPC_PERF_DECLARE(altivec_hadamard8_diff8x8_num, 1);
int sum;
register const vector unsigned char vzero =
(const vector unsigned char)vec_splat_u8(0);
register vector signed short temp0, temp1, temp2, temp3, temp4,
temp5, temp6, temp7;
POWERPC_PERF_START_COUNT(altivec_hadamard8_diff8x8_num, 1);
{
register const vector signed short vprod1 =(const vector signed short)
{ 1,-1, 1,-1, 1,-1, 1,-1 };
......@@ -1100,7 +1066,6 @@ POWERPC_PERF_START_COUNT(altivec_hadamard8_diff8x8_num, 1);
vsum = vec_splat(vsum, 3);
vec_ste(vsum, 0, &sum);
}
POWERPC_PERF_STOP_COUNT(altivec_hadamard8_diff8x8_num, 1);
return sum;
}
......@@ -1319,16 +1284,13 @@ static int hadamard8_diff16x8_altivec(/*MpegEncContext*/ void *s, uint8_t *dst,
}
static int hadamard8_diff16_altivec(/*MpegEncContext*/ void *s, uint8_t *dst, uint8_t *src, int stride, int h){
POWERPC_PERF_DECLARE(altivec_hadamard8_diff16_num, 1);
int score;
POWERPC_PERF_START_COUNT(altivec_hadamard8_diff16_num, 1);
score = hadamard8_diff16x8_altivec(s, dst, src, stride, 8);
if (h==16) {
dst += 8*stride;
src += 8*stride;
score += hadamard8_diff16x8_altivec(s, dst, src, stride, 8);
}
POWERPC_PERF_STOP_COUNT(altivec_hadamard8_diff16_num, 1);
return score;
}
......@@ -1358,7 +1320,6 @@ static void vorbis_inverse_coupling_altivec(float *mag, float *ang,
/* next one assumes that ((line_size % 8) == 0) */
static void avg_pixels8_xy2_altivec(uint8_t *block, const uint8_t *pixels, int line_size, int h)
{
POWERPC_PERF_DECLARE(altivec_avg_pixels8_xy2_num, 1);
register int i;
register vector unsigned char pixelsv1, pixelsv2, pixelsavg;
register vector unsigned char blockv, temp1, temp2, blocktemp;
......@@ -1383,7 +1344,6 @@ POWERPC_PERF_DECLARE(altivec_avg_pixels8_xy2_num, 1);
(vector unsigned short)pixelsv2);
pixelssum1 = vec_add(pixelssum1, vctwo);
POWERPC_PERF_START_COUNT(altivec_avg_pixels8_xy2_num, 1);
for (i = 0; i < h ; i++) {
int rightside = ((unsigned long)block & 0x0000000F);
blockv = vec_ld(0, block);
......@@ -1418,8 +1378,6 @@ POWERPC_PERF_START_COUNT(altivec_avg_pixels8_xy2_num, 1);
block += line_size;
pixels += line_size;
}
POWERPC_PERF_STOP_COUNT(altivec_avg_pixels8_xy2_num, 1);
}
void dsputil_init_altivec(DSPContext* c, AVCodecContext *avctx)
......
libavcodec/ppc/dsputil_ppc.c
View file @ 2829ce4b
......@@ -21,9 +21,6 @@
*/
#include "libavcodec/dsputil.h"
#include "dsputil_ppc.h"
#include "dsputil_altivec.h"
int mm_flags = 0;
......@@ -39,63 +36,6 @@ int mm_support(void)
return result;
}
#if CONFIG_POWERPC_PERF
unsigned long long perfdata[POWERPC_NUM_PMC_ENABLED][powerpc_perf_total][powerpc_data_total];
/* list below must match enum in dsputil_ppc.h */
static unsigned char* perfname[] = {
"ff_fft_calc_altivec",
"gmc1_altivec",
"dct_unquantize_h263_altivec",
"fdct_altivec",
"idct_add_altivec",
"idct_put_altivec",
"put_pixels16_altivec",
"avg_pixels16_altivec",
"avg_pixels8_altivec",
"put_pixels8_xy2_altivec",
"put_no_rnd_pixels8_xy2_altivec",
"put_pixels16_xy2_altivec",
"put_no_rnd_pixels16_xy2_altivec",
"hadamard8_diff8x8_altivec",
"hadamard8_diff16_altivec",
"avg_pixels8_xy2_altivec",
"clear_blocks_dcbz32_ppc",
"clear_blocks_dcbz128_ppc",
"put_h264_chroma_mc8_altivec",
"avg_h264_chroma_mc8_altivec",
"put_h264_qpel16_h_lowpass_altivec",
"avg_h264_qpel16_h_lowpass_altivec",
"put_h264_qpel16_v_lowpass_altivec",
"avg_h264_qpel16_v_lowpass_altivec",
"put_h264_qpel16_hv_lowpass_altivec",
"avg_h264_qpel16_hv_lowpass_altivec",
""
};
#include <stdio.h>
#endif
#if CONFIG_POWERPC_PERF
void powerpc_display_perf_report(void)
{
int i, j;
av_log(NULL, AV_LOG_INFO, "PowerPC performance report\n Values are from the PMC registers, and represent whatever the registers are set to record.\n");
for(i = 0 ; i < powerpc_perf_total ; i++) {
for (j = 0; j < POWERPC_NUM_PMC_ENABLED ; j++) {
if (perfdata[j][i][powerpc_data_num] != (unsigned long long)0)
av_log(NULL, AV_LOG_INFO,
" Function \"%s\" (pmc%d):\n\tmin: %"PRIu64"\n\tmax: %"PRIu64"\n\tavg: %1.2lf (%"PRIu64")\n",
perfname[i],
j+1,
perfdata[j][i][powerpc_data_min],
perfdata[j][i][powerpc_data_max],
(double)perfdata[j][i][powerpc_data_sum] /
(double)perfdata[j][i][powerpc_data_num],
perfdata[j][i][powerpc_data_num]);
}
}
}
#endif /* CONFIG_POWERPC_PERF */
/* ***** WARNING ***** WARNING ***** WARNING ***** */
/*
clear_blocks_dcbz32_ppc will not work properly on PowerPC processors with a
......@@ -118,10 +58,8 @@ and <http://developer.apple.com/technotes/tn/tn2086.html>
*/
static void clear_blocks_dcbz32_ppc(DCTELEM *blocks)
{
POWERPC_PERF_DECLARE(powerpc_clear_blocks_dcbz32, 1);
register int misal = ((unsigned long)blocks & 0x00000010);
register int i = 0;
POWERPC_PERF_START_COUNT(powerpc_clear_blocks_dcbz32, 1);
#if 1
if (misal) {
((unsigned long*)blocks)[0] = 0L;
......@@ -143,7 +81,6 @@ POWERPC_PERF_START_COUNT(powerpc_clear_blocks_dcbz32, 1);
#else
memset(blocks, 0, sizeof(DCTELEM)*6*64);
#endif
POWERPC_PERF_STOP_COUNT(powerpc_clear_blocks_dcbz32, 1);
}
/* same as above, when dcbzl clear a whole 128B cache line
......@@ -151,10 +88,8 @@ POWERPC_PERF_STOP_COUNT(powerpc_clear_blocks_dcbz32, 1);
#if HAVE_DCBZL
static void clear_blocks_dcbz128_ppc(DCTELEM *blocks)
{
POWERPC_PERF_DECLARE(powerpc_clear_blocks_dcbz128, 1);
register int misal = ((unsigned long)blocks & 0x0000007f);
register int i = 0;
POWERPC_PERF_START_COUNT(powerpc_clear_blocks_dcbz128, 1);
#if 1
if (misal) {
// we could probably also optimize this case,
......@@ -169,7 +104,6 @@ POWERPC_PERF_START_COUNT(powerpc_clear_blocks_dcbz128, 1);
#else
memset(blocks, 0, sizeof(DCTELEM)*6*64);
#endif
POWERPC_PERF_STOP_COUNT(powerpc_clear_blocks_dcbz128, 1);
}
#else
static void clear_blocks_dcbz128_ppc(DCTELEM *blocks)
......@@ -279,19 +213,6 @@ void dsputil_init_ppc(DSPContext* c, AVCodecContext *avctx)
}
}
#if CONFIG_POWERPC_PERF
{
int i, j;
for (i = 0 ; i < powerpc_perf_total ; i++) {
for (j = 0; j < POWERPC_NUM_PMC_ENABLED ; j++) {
perfdata[j][i][powerpc_data_min] = 0xFFFFFFFFFFFFFFFFULL;
perfdata[j][i][powerpc_data_max] = 0x0000000000000000ULL;
perfdata[j][i][powerpc_data_sum] = 0x0000000000000000ULL;
perfdata[j][i][powerpc_data_num] = 0x0000000000000000ULL;
}
}
}
#endif /* CONFIG_POWERPC_PERF */
}
#endif /* HAVE_ALTIVEC */
}
libavcodec/ppc/dsputil_ppc.h deleted 100644 → 0
View file @ a788196e
/*
* Copyright (c) 2003-2004 Romain Dolbeau <romain@dolbeau.org>
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef AVCODEC_PPC_DSPUTIL_PPC_H
#define AVCODEC_PPC_DSPUTIL_PPC_H
#include "config.h"
#if CONFIG_POWERPC_PERF
void powerpc_display_perf_report(void);
/* the 604* have 2, the G3* have 4, the G4s have 6,
and the G5 are completely different (they MUST use
ARCH_PPC64, and let's hope all future 64 bis PPC
will use the same PMCs... */
#define POWERPC_NUM_PMC_ENABLED 6
/* if you add to the enum below, also add to the perfname array
in dsputil_ppc.c */
enum powerpc_perf_index {
altivec_fft_num = 0,
altivec_gmc1_num,
altivec_dct_unquantize_h263_num,
altivec_fdct,
altivec_idct_add_num,
altivec_idct_put_num,
altivec_put_pixels16_num,
altivec_avg_pixels16_num,
altivec_avg_pixels8_num,
altivec_put_pixels8_xy2_num,
altivec_put_no_rnd_pixels8_xy2_num,
altivec_put_pixels16_xy2_num,
altivec_put_no_rnd_pixels16_xy2_num,
altivec_hadamard8_diff8x8_num,
altivec_hadamard8_diff16_num,
altivec_avg_pixels8_xy2_num,
powerpc_clear_blocks_dcbz32,
powerpc_clear_blocks_dcbz128,
altivec_put_h264_chroma_mc8_num,
altivec_avg_h264_chroma_mc8_num,
altivec_put_h264_qpel16_h_lowpass_num,
altivec_avg_h264_qpel16_h_lowpass_num,
altivec_put_h264_qpel16_v_lowpass_num,
altivec_avg_h264_qpel16_v_lowpass_num,
altivec_put_h264_qpel16_hv_lowpass_num,
altivec_avg_h264_qpel16_hv_lowpass_num,
powerpc_perf_total
};
enum powerpc_data_index {
powerpc_data_min = 0,
powerpc_data_max,
powerpc_data_sum,
powerpc_data_num,
powerpc_data_total
};
extern unsigned long long perfdata[POWERPC_NUM_PMC_ENABLED][powerpc_perf_total][powerpc_data_total];
#if !ARCH_PPC64
#define POWERP_PMC_DATATYPE unsigned long
#define POWERPC_GET_PMC1(a) __asm__ volatile("mfspr %0, 937" : "=r" (a))
#define POWERPC_GET_PMC2(a) __asm__ volatile("mfspr %0, 938" : "=r" (a))
#if (POWERPC_NUM_PMC_ENABLED > 2)
#define POWERPC_GET_PMC3(a) __asm__ volatile("mfspr %0, 941" : "=r" (a))
#define POWERPC_GET_PMC4(a) __asm__ volatile("mfspr %0, 942" : "=r" (a))
#else
#define POWERPC_GET_PMC3(a) do {} while (0)
#define POWERPC_GET_PMC4(a) do {} while (0)
#endif
#if (POWERPC_NUM_PMC_ENABLED > 4)
#define POWERPC_GET_PMC5(a) __asm__ volatile("mfspr %0, 929" : "=r" (a))
#define POWERPC_GET_PMC6(a) __asm__ volatile("mfspr %0, 930" : "=r" (a))
#else
#define POWERPC_GET_PMC5(a) do {} while (0)
#define POWERPC_GET_PMC6(a) do {} while (0)
#endif
#else /* ARCH_PPC64 */
#define POWERP_PMC_DATATYPE unsigned long long
#define POWERPC_GET_PMC1(a) __asm__ volatile("mfspr %0, 771" : "=r" (a))
#define POWERPC_GET_PMC2(a) __asm__ volatile("mfspr %0, 772" : "=r" (a))
#if (POWERPC_NUM_PMC_ENABLED > 2)
#define POWERPC_GET_PMC3(a) __asm__ volatile("mfspr %0, 773" : "=r" (a))
#define POWERPC_GET_PMC4(a) __asm__ volatile("mfspr %0, 774" : "=r" (a))
#else
#define POWERPC_GET_PMC3(a) do {} while (0)
#define POWERPC_GET_PMC4(a) do {} while (0)
#endif
#if (POWERPC_NUM_PMC_ENABLED > 4)
#define POWERPC_GET_PMC5(a) __asm__ volatile("mfspr %0, 775" : "=r" (a))
#define POWERPC_GET_PMC6(a) __asm__ volatile("mfspr %0, 776" : "=r" (a))
#else
#define POWERPC_GET_PMC5(a) do {} while (0)
#define POWERPC_GET_PMC6(a) do {} while (0)
#endif
#endif /* ARCH_PPC64 */
#define POWERPC_PERF_DECLARE(a, cond) \
POWERP_PMC_DATATYPE \
pmc_start[POWERPC_NUM_PMC_ENABLED], \
pmc_stop[POWERPC_NUM_PMC_ENABLED], \
pmc_loop_index;
#define POWERPC_PERF_START_COUNT(a, cond) do { \
POWERPC_GET_PMC6(pmc_start[5]); \
POWERPC_GET_PMC5(pmc_start[4]); \
POWERPC_GET_PMC4(pmc_start[3]); \
POWERPC_GET_PMC3(pmc_start[2]); \
POWERPC_GET_PMC2(pmc_start[1]); \
POWERPC_GET_PMC1(pmc_start[0]); \
} while (0)
#define POWERPC_PERF_STOP_COUNT(a, cond) do { \
POWERPC_GET_PMC1(pmc_stop[0]); \
POWERPC_GET_PMC2(pmc_stop[1]); \
POWERPC_GET_PMC3(pmc_stop[2]); \
POWERPC_GET_PMC4(pmc_stop[3]); \
POWERPC_GET_PMC5(pmc_stop[4]); \
POWERPC_GET_PMC6(pmc_stop[5]); \
if (cond) { \
for(pmc_loop_index = 0; \
pmc_loop_index < POWERPC_NUM_PMC_ENABLED; \
pmc_loop_index++) { \
if (pmc_stop[pmc_loop_index] >= pmc_start[pmc_loop_index]) { \
POWERP_PMC_DATATYPE diff = \
pmc_stop[pmc_loop_index] - pmc_start[pmc_loop_index]; \
if (diff < perfdata[pmc_loop_index][a][powerpc_data_min]) \
perfdata[pmc_loop_index][a][powerpc_data_min] = diff; \
if (diff > perfdata[pmc_loop_index][a][powerpc_data_max]) \
perfdata[pmc_loop_index][a][powerpc_data_max] = diff; \
perfdata[pmc_loop_index][a][powerpc_data_sum] += diff; \
perfdata[pmc_loop_index][a][powerpc_data_num] ++; \
} \
} \
} \
} while (0)
#else /* CONFIG_POWERPC_PERF */
// those are needed to avoid empty statements.
#define POWERPC_PERF_DECLARE(a, cond) int altivec_placeholder __attribute__ ((unused))
#define POWERPC_PERF_START_COUNT(a, cond) do {} while (0)
#define POWERPC_PERF_STOP_COUNT(a, cond) do {} while (0)
#endif /* CONFIG_POWERPC_PERF */
#endif /* AVCODEC_PPC_DSPUTIL_PPC_H */
libavcodec/ppc/fdct_altivec.c
View file @ 2829ce4b
......@@ -24,7 +24,6 @@
#endif
#include "libavutil/common.h"
#include "libavcodec/dsputil.h"
#include "dsputil_ppc.h"
#include "dsputil_altivec.h"
#define vs16(v) ((vector signed short)(v))
......@@ -198,7 +197,6 @@ static vector float fdctconsts[3] = {
void fdct_altivec(int16_t *block)
{
POWERPC_PERF_DECLARE(altivec_fdct, 1);
vector signed short *bp;
vector float *cp;
vector float b00, b10, b20, b30, b40, b50, b60, b70;
......@@ -206,9 +204,6 @@ POWERPC_PERF_DECLARE(altivec_fdct, 1);
vector float mzero, cnst, cnsts0, cnsts1, cnsts2;
vector float x0, x1, x2, x3, x4, x5, x6, x7, x8;
POWERPC_PERF_START_COUNT(altivec_fdct, 1);
/* setup constants {{{ */
/* mzero = -0.0 */
mzero = ((vector float)vec_splat_u32(-1));
......@@ -487,8 +482,6 @@ POWERPC_PERF_DECLARE(altivec_fdct, 1);
#undef CTS
/* }}} */
POWERPC_PERF_STOP_COUNT(altivec_fdct, 1);
}
/* vim:set foldmethod=marker foldlevel=0: */
libavcodec/ppc/fft_altivec.c
View file @ 2829ce4b
......@@ -21,7 +21,6 @@
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "libavcodec/fft.h"
#include "dsputil_ppc.h"
#include "util_altivec.h"
#include "dsputil_altivec.h"
......@@ -38,7 +37,6 @@
*/
static void ff_fft_calc_altivec(FFTContext *s, FFTComplex *z)
{
POWERPC_PERF_DECLARE(altivec_fft_num, s->nbits >= 6);
register const vector float vczero = (const vector float)vec_splat_u32(0.);
int ln = s->nbits;
......@@ -48,8 +46,6 @@ POWERPC_PERF_DECLARE(altivec_fft_num, s->nbits >= 6);
FFTComplex *cptr, *cptr1;
int k;
POWERPC_PERF_START_COUNT(altivec_fft_num, s->nbits >= 6);
np = 1 << ln;
{
......@@ -132,8 +128,6 @@ POWERPC_PERF_START_COUNT(altivec_fft_num, s->nbits >= 6);
nblocks = nblocks >> 1;
nloops = nloops << 1;
} while (nblocks != 0);
POWERPC_PERF_STOP_COUNT(altivec_fft_num, s->nbits >= 6);
}
av_cold void ff_fft_init_altivec(FFTContext *s)
......
libavcodec/ppc/gmc_altivec.c
View file @ 2829ce4b
......@@ -21,7 +21,6 @@
*/
#include "libavcodec/dsputil.h"
#include "dsputil_ppc.h"
#include "util_altivec.h"
#include "types_altivec.h"
#include "dsputil_altivec.h"
......@@ -30,10 +29,8 @@
altivec-enhanced gmc1. ATM this code assume stride is a multiple of 8,
to preserve proper dst alignment.
*/
#define GMC1_PERF_COND (h==8)
void gmc1_altivec(uint8_t *dst /* align 8 */, uint8_t *src /* align1 */, int stride, int h, int x16, int y16, int rounder)
{
POWERPC_PERF_DECLARE(altivec_gmc1_num, GMC1_PERF_COND);
const DECLARE_ALIGNED(16, unsigned short, rounder_a) = rounder;
const DECLARE_ALIGNED(16, unsigned short, ABCD)[8] =
{
......@@ -51,9 +48,6 @@ POWERPC_PERF_DECLARE(altivec_gmc1_num, GMC1_PERF_COND);
unsigned long dst_odd = (unsigned long)dst & 0x0000000F;
unsigned long src_really_odd = (unsigned long)src & 0x0000000F;
POWERPC_PERF_START_COUNT(altivec_gmc1_num, GMC1_PERF_COND);
tempA = vec_ld(0, (unsigned short*)ABCD);
Av = vec_splat(tempA, 0);
Bv = vec_splat(tempA, 1);
......@@ -133,6 +127,4 @@ POWERPC_PERF_START_COUNT(altivec_gmc1_num, GMC1_PERF_COND);
dst += stride;
src += stride;
}
POWERPC_PERF_STOP_COUNT(altivec_gmc1_num, GMC1_PERF_COND);
}
libavcodec/ppc/h264_altivec.c
View file @ 2829ce4b
......@@ -22,7 +22,6 @@
#include "libavcodec/h264data.h"
#include "libavcodec/h264dsp.h"
#include "dsputil_ppc.h"
#include "dsputil_altivec.h"
#include "util_altivec.h"
#include "types_altivec.h"
......
libavcodec/ppc/h264_template_altivec.c
View file @ 2829ce4b
......@@ -77,7 +77,6 @@
static void PREFIX_h264_chroma_mc8_altivec(uint8_t * dst, uint8_t * src,
int stride, int h, int x, int y) {
POWERPC_PERF_DECLARE(PREFIX_h264_chroma_mc8_num, 1);
DECLARE_ALIGNED(16, signed int, ABCD)[4] =
{((8 - x) * (8 - y)),
(( x) * (8 - y)),
......@@ -103,8 +102,6 @@ static void PREFIX_h264_chroma_mc8_altivec(uint8_t * dst, uint8_t * src,
vec_s16 vsrc2ssH, vsrc3ssH, psum;
vec_u8 vdst, ppsum, vfdst, fsum;
POWERPC_PERF_START_COUNT(PREFIX_h264_chroma_mc8_num, 1);
if (((unsigned long)dst) % 16 == 0) {
fperm = (vec_u8){0x10, 0x11, 0x12, 0x13,
0x14, 0x15, 0x16, 0x17,
......@@ -203,7 +200,6 @@ static void PREFIX_h264_chroma_mc8_altivec(uint8_t * dst, uint8_t * src,
}
}
}
POWERPC_PERF_STOP_COUNT(PREFIX_h264_chroma_mc8_num, 1);
}
/* this code assume that stride % 16 == 0 */
......@@ -295,7 +291,6 @@ static void PREFIX_no_rnd_vc1_chroma_mc8_altivec(uint8_t * dst, uint8_t * src, i
/* this code assume stride % 16 == 0 */
static void PREFIX_h264_qpel16_h_lowpass_altivec(uint8_t * dst, uint8_t * src, int dstStride, int srcStride) {
POWERPC_PERF_DECLARE(PREFIX_h264_qpel16_h_lowpass_num, 1);
register int i;
LOAD_ZERO;
......@@ -323,8 +318,6 @@ static void PREFIX_h264_qpel16_h_lowpass_altivec(uint8_t * dst, uint8_t * src, i
vec_u8 sum, vdst, fsum;
POWERPC_PERF_START_COUNT(PREFIX_h264_qpel16_h_lowpass_num, 1);
for (i = 0 ; i < 16 ; i ++) {
vec_u8 srcR1 = vec_ld(-2, src);
vec_u8 srcR2 = vec_ld(14, src);
......@@ -433,13 +426,10 @@ static void PREFIX_h264_qpel16_h_lowpass_altivec(uint8_t * dst, uint8_t * src, i
src += srcStride;
dst += dstStride;
}
POWERPC_PERF_STOP_COUNT(PREFIX_h264_qpel16_h_lowpass_num, 1);
}
/* this code assume stride % 16 == 0 */
static void PREFIX_h264_qpel16_v_lowpass_altivec(uint8_t * dst, uint8_t * src, int dstStride, int srcStride) {
POWERPC_PERF_DECLARE(PREFIX_h264_qpel16_v_lowpass_num, 1);
register int i;
LOAD_ZERO;
......@@ -490,8 +480,6 @@ static void PREFIX_h264_qpel16_v_lowpass_altivec(uint8_t * dst, uint8_t * src, i
vec_u8 sum, vdst, fsum, srcP3a, srcP3b, srcP3;
POWERPC_PERF_START_COUNT(PREFIX_h264_qpel16_v_lowpass_num, 1);
for (i = 0 ; i < 16 ; i++) {
srcP3a = vec_ld(0, srcbis += srcStride);
srcP3b = vec_ld(16, srcbis);
......@@ -544,12 +532,10 @@ static void PREFIX_h264_qpel16_v_lowpass_altivec(uint8_t * dst, uint8_t * src, i
dst += dstStride;
}
POWERPC_PERF_STOP_COUNT(PREFIX_h264_qpel16_v_lowpass_num, 1);
}
/* this code assume stride % 16 == 0 *and* tmp is properly aligned */
static void PREFIX_h264_qpel16_hv_lowpass_altivec(uint8_t * dst, int16_t * tmp, uint8_t * src, int dstStride, int tmpStride, int srcStride) {
POWERPC_PERF_DECLARE(PREFIX_h264_qpel16_hv_lowpass_num, 1);
register int i;
LOAD_ZERO;
const vec_u8 permM2 = vec_lvsl(-2, src);
......@@ -589,7 +575,6 @@ static void PREFIX_h264_qpel16_hv_lowpass_altivec(uint8_t * dst, int16_t * tmp,
vec_u8 fsum, sumv, sum, vdst;
vec_s16 ssume, ssumo;
POWERPC_PERF_START_COUNT(PREFIX_h264_qpel16_hv_lowpass_num, 1);
src -= (2 * srcStride);
for (i = 0 ; i < 21 ; i ++) {
vec_u8 srcM2, srcM1, srcP0, srcP1, srcP2, srcP3;
......@@ -779,5 +764,4 @@ static void PREFIX_h264_qpel16_hv_lowpass_altivec(uint8_t * dst, int16_t * tmp,
dst += dstStride;
}
POWERPC_PERF_STOP_COUNT(PREFIX_h264_qpel16_hv_lowpass_num, 1);
}
libavcodec/ppc/idct_altivec.c
View file @ 2829ce4b
......@@ -43,7 +43,6 @@
#endif
#include "libavcodec/dsputil.h"
#include "types_altivec.h"
#include "dsputil_ppc.h"
#include "dsputil_altivec.h"
#define IDCT_HALF \
......@@ -161,13 +160,9 @@ static const vec_s16 constants[5] = {
void idct_put_altivec(uint8_t* dest, int stride, int16_t *blk)
{
POWERPC_PERF_DECLARE(altivec_idct_put_num, 1);
vec_s16 *block = (vec_s16*)blk;
vec_u8 tmp;
#if CONFIG_POWERPC_PERF
POWERPC_PERF_START_COUNT(altivec_idct_put_num, 1);
#endif
IDCT
#define COPY(dest,src) \
......@@ -183,13 +178,10 @@ POWERPC_PERF_START_COUNT(altivec_idct_put_num, 1);
COPY (dest, vx5) dest += stride;
COPY (dest, vx6) dest += stride;
COPY (dest, vx7)
POWERPC_PERF_STOP_COUNT(altivec_idct_put_num, 1);
}
void idct_add_altivec(uint8_t* dest, int stride, int16_t *blk)
{
POWERPC_PERF_DECLARE(altivec_idct_add_num, 1);
vec_s16 *block = (vec_s16*)blk;
vec_u8 tmp;
vec_s16 tmp2, tmp3;
......@@ -197,10 +189,6 @@ POWERPC_PERF_DECLARE(altivec_idct_add_num, 1);
vec_u8 perm1;
vec_u8 p0, p1, p;
#if CONFIG_POWERPC_PERF
POWERPC_PERF_START_COUNT(altivec_idct_add_num, 1);
#endif
IDCT
p0 = vec_lvsl (0, dest);
......@@ -226,7 +214,5 @@ POWERPC_PERF_START_COUNT(altivec_idct_add_num, 1);
ADD (dest, vx5, perm1) dest += stride;
ADD (dest, vx6, perm0) dest += stride;
ADD (dest, vx7, perm1)
POWERPC_PERF_STOP_COUNT(altivec_idct_add_num, 1);
}
libavcodec/ppc/mpegvideo_altivec.c
View file @ 2829ce4b
......@@ -26,7 +26,6 @@
#include "libavcodec/dsputil.h"
#include "libavcodec/mpegvideo.h"
#include "dsputil_ppc.h"
#include "util_altivec.h"
#include "types_altivec.h"
#include "dsputil_altivec.h"
......@@ -479,14 +478,11 @@ static int dct_quantize_altivec(MpegEncContext* s,
static void dct_unquantize_h263_altivec(MpegEncContext *s,
DCTELEM *block, int n, int qscale)
{
POWERPC_PERF_DECLARE(altivec_dct_unquantize_h263_num, 1);
int i, level, qmul, qadd;
int nCoeffs;
assert(s->block_last_index[n]>=0);
POWERPC_PERF_START_COUNT(altivec_dct_unquantize_h263_num, 1);
qadd = (qscale - 1) | 1;
qmul = qscale << 1;
......@@ -569,7 +565,6 @@ POWERPC_PERF_START_COUNT(altivec_dct_unquantize_h263_num, 1);
block[0] = backup_0;
}
}
POWERPC_PERF_STOP_COUNT(altivec_dct_unquantize_h263_num, nCoeffs == 63);
}
......
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